Abeno travels to the Underworld to investigate Ashiya's father Sakae, but he's unable to find any conclusive information. The cultural festival at Abeno and Ashiya's school begins, and the two are assigned to promoting their class' cafe. They run into Zenko, who has lost track of Yahiko. After catching the mischievous Yahiko, Abeno agrees to play with him. When he casually asks Yahiko about Sakae, Abeno gains new information from him--
It seems this mundane world 
plank is responsible.
Der Täter ist wohl dieses Brett
aus der irdischen Welt.
Esta tabla del otro mundo
parece ser la culpable.
et je vois qu’il émane
de cette plaque du monde réel.
Parece que essa prancha do
mundo humano é a responsável.